AR030320A1 - Codificador de banda lateral vestigial de bajo costo y modulador de radiofrecuencia para suministrar una senal de banda lateral vestigial de substancialmente 6 mhz a receptores de television digital - Google Patents
Codificador de banda lateral vestigial de bajo costo y modulador de radiofrecuencia para suministrar una senal de banda lateral vestigial de substancialmente 6 mhz a receptores de television digitalInfo
- Publication number
- AR030320A1 AR030320A1 ARP010103739A ARP010103739A AR030320A1 AR 030320 A1 AR030320 A1 AR 030320A1 AR P010103739 A ARP010103739 A AR P010103739A AR P010103739 A ARP010103739 A AR P010103739A AR 030320 A1 AR030320 A1 AR 030320A1
- Authority
- AR
- Argentina
- Prior art keywords
- side band
- interpolator
- digital television
- verstigial
- mhz
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
- H04N21/2383—Channel coding or modulation of digital bit-stream, e.g. QPSK modulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/015—High-definition television systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving MPEG packets from an IP network
- H04N21/4382—Demodulation or channel decoding, e.g. QPSK demodulation
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Amplitude Modulation (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Abstract
Una disposicion suministra una senal digital comprimida a un receptor de television digital e incluye una fuente de senal de banda de base comprimida. Un codificador codifica la senal de banda de base en un formato digital, y la senal de banda de base tiene una frecuencia. La frecuencia de la senal de banda de base codificada es desplazada por un primer desplazador de frecuencia. Un primer interpolador interpola una salida del primer desplazador de frecuencia, un segundo interpolador que interpola una salida del primer interpolador, y un tercer interpolador que interpola una salida del segundo interpolador. Un segundo desplazador de frecuencia desplaza una frecuencia de una salida del tercer interpolador para producir una senal a un canal seleccionado.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/632,545 US6724439B1 (en) | 2000-08-04 | 2000-08-04 | Low cost VSB encoder and RF modulator for supplying a substantially 6 MHZ VSB signal to digital television receiver |
Publications (1)
Publication Number | Publication Date |
---|---|
AR030320A1 true AR030320A1 (es) | 2003-08-20 |
Family
ID=24535930
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ARP010103739A AR030320A1 (es) | 2000-08-04 | 2001-08-03 | Codificador de banda lateral vestigial de bajo costo y modulador de radiofrecuencia para suministrar una senal de banda lateral vestigial de substancialmente 6 mhz a receptores de television digital |
Country Status (10)
Country | Link |
---|---|
US (1) | US6724439B1 (es) |
KR (1) | KR100793829B1 (es) |
AR (1) | AR030320A1 (es) |
AU (1) | AU2001280719A1 (es) |
BR (1) | BR0112954A (es) |
CA (1) | CA2417030A1 (es) |
EC (1) | ECSP034457A (es) |
MX (1) | MXPA03000974A (es) |
TW (1) | TW548988B (es) |
WO (1) | WO2002013534A2 (es) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100351829B1 (ko) * | 2000-09-26 | 2002-09-11 | 엘지전자 주식회사 | 디지털 통신 시스템 |
KR100351831B1 (ko) * | 2000-10-02 | 2002-09-11 | 엘지전자 주식회사 | Vsb 송신 시스템 |
KR100673419B1 (ko) * | 2000-12-28 | 2007-01-24 | 엘지전자 주식회사 | 전송 시스템 및 데이터 처리 방법 |
KR100674423B1 (ko) | 2001-01-19 | 2007-01-29 | 엘지전자 주식회사 | 송/수신 시스템 및 데이터 처리 방법 |
US7631340B2 (en) | 2001-04-18 | 2009-12-08 | Lg Electronics Inc. | VSB communication system |
US6947487B2 (en) | 2001-04-18 | 2005-09-20 | Lg Electronics Inc. | VSB communication system |
US7971225B2 (en) * | 2002-02-08 | 2011-06-28 | Finisar Corporation | Bandpass component decimation and transmission of data in cable television digital return path |
GB2394373B (en) * | 2002-10-19 | 2005-12-14 | Zarlink Semiconductor Ltd | Radio frequency tuner |
US7432981B1 (en) * | 2004-12-13 | 2008-10-07 | Nvidia Corporation | Apparatus, system, and method for processing digital audio/video signals |
CA2562194C (en) * | 2005-10-05 | 2012-02-21 | Lg Electronics Inc. | Method of processing traffic information and digital broadcast system |
CA2562427C (en) | 2005-10-05 | 2012-07-10 | Lg Electronics Inc. | A digital broadcast system and method of processing traffic information |
US8184210B2 (en) * | 2006-08-22 | 2012-05-22 | STMicroelectronics International | Digital Radio Frequency (RF) Modulator |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3314603A1 (de) | 1983-04-22 | 1984-10-25 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zur digitalen quadraturamplitudenmodulation |
GB2214374A (en) | 1988-01-06 | 1989-08-31 | Philips Electronic Associated | Ssb signal generator |
US5504785A (en) * | 1993-05-28 | 1996-04-02 | Tv/Com Technologies, Inc. | Digital receiver for variable symbol rate communications |
US5588025A (en) * | 1995-03-15 | 1996-12-24 | David Sarnoff Research Center, Inc. | Single oscillator compressed digital information receiver |
US5793818A (en) * | 1995-06-07 | 1998-08-11 | Discovision Associates | Signal processing system |
US5696796A (en) | 1995-06-07 | 1997-12-09 | Comsat Corporation | Continuously variable if sampling method for digital data transmission |
US5764701A (en) * | 1996-03-04 | 1998-06-09 | Zenith Electronics Corporation | VSB modulator |
US5801595A (en) | 1997-01-10 | 1998-09-01 | Harris Corporation | Device and method for digital vestigial sideband modulation |
US5978823A (en) * | 1997-01-27 | 1999-11-02 | Hitachi America, Ltd. | Methods and apparatus for implementing and controlling a digital modulator |
US5973755A (en) * | 1997-04-04 | 1999-10-26 | Microsoft Corporation | Video encoder and decoder using bilinear motion compensation and lapped orthogonal transforms |
US6549242B1 (en) * | 1997-04-04 | 2003-04-15 | Harris Corporation | Combining adjacent TV channels for transmission by a common antenna |
CN1148958C (zh) | 1998-02-06 | 2004-05-05 | 齐尼思电子公司 | 用于数字电视接收机的残留边带编码器及rf调制器 |
US6430234B1 (en) * | 1998-05-18 | 2002-08-06 | Sarnoff Corporation | Method and apparatus for performing phase detection and timing recovery for a vestigial sideband receiver |
US6343207B1 (en) * | 1998-11-03 | 2002-01-29 | Harris Corporation | Field programmable radio frequency communications equipment including a configurable if circuit, and method therefor |
US6810090B1 (en) | 1999-02-18 | 2004-10-26 | Sarnoff Corporation | Direct digital vestigial sideband (VSB) modulator |
US6711214B1 (en) | 2000-04-07 | 2004-03-23 | Adc Broadband Wireless Group, Inc. | Reduced bandwidth transmitter method and apparatus |
-
2000
- 2000-08-04 US US09/632,545 patent/US6724439B1/en not_active Expired - Lifetime
-
2001
- 2001-07-23 KR KR1020037001551A patent/KR100793829B1/ko active IP Right Grant
- 2001-07-23 WO PCT/US2001/023211 patent/WO2002013534A2/en active Application Filing
- 2001-07-23 AU AU2001280719A patent/AU2001280719A1/en not_active Abandoned
- 2001-07-23 BR BR0112954-6A patent/BR0112954A/pt not_active IP Right Cessation
- 2001-07-23 MX MXPA03000974A patent/MXPA03000974A/es active IP Right Grant
- 2001-07-23 CA CA002417030A patent/CA2417030A1/en not_active Abandoned
- 2001-08-01 TW TW090118804A patent/TW548988B/zh not_active IP Right Cessation
- 2001-08-03 AR ARP010103739A patent/AR030320A1/es active IP Right Grant
-
2003
- 2003-01-30 EC EC2003004457A patent/ECSP034457A/es unknown
Also Published As
Publication number | Publication date |
---|---|
ECSP034457A (es) | 2003-05-26 |
KR100793829B1 (ko) | 2008-01-11 |
WO2002013534A2 (en) | 2002-02-14 |
TW548988B (en) | 2003-08-21 |
WO2002013534A3 (en) | 2002-05-10 |
MXPA03000974A (es) | 2003-10-06 |
KR20030062311A (ko) | 2003-07-23 |
CA2417030A1 (en) | 2002-02-14 |
AU2001280719A1 (en) | 2002-02-18 |
US6724439B1 (en) | 2004-04-20 |
BR0112954A (pt) | 2003-07-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG | Grant, registration |